@YouTube
I got back to Toronto after a week in NYC. While I was south of the border I could Watch a YouTube video on my phone, hit the home button, and have it play while I browsed another app. Doesn't work here. Why?
Thanks for reaching out. Currently, this feature is only available for US Android users running Android Oreo or greater. However, YouTube Premium members on Android mobile devices can use it worldwide. Learn more: https://yt.be/help/5zw4 . Hope this info helps.